Organic semiconductor materials and precursors thereof - The present teachings provide novel organic semiconductor compounds and their soluble precursors, methods for preparing these compounds and precursors, as well as compositions, materials, articles, structures, and devices that incorporate such compounds.

10-09-2008

20080293937

n-Type Thiophene Semiconductors - The new fluorocarbon-functionalized and/or heterocycle-modified polythiophenes, in particular, α,ω-diperfluorohexylsexithiophene DFH-6T can be straightforwardly prepared in high yield and purity. Introduction of such modifications to a thiophene core affords enhanced thermal stability and volatility, and increased electron affinity versus the unmodified compositions of the prior art. Evaporated films behave as n-type semiconductors, and can be used to fabricate thin film transistors with FET mobilities ˜0.01 cm

11-27-2008

20090036643

Conjugated monomers and polymers and preparation and use thereof - Disclosed are new conjugated compounds (e.g., monomers and polymers) that include ladder-type moieties which can be used for preparing semiconducting materials. Such conjugated compounds can exhibit high n-type carrier mobility and/or good current modulation characteristics. Compounds of the present teachings also can exhibit ambipolar semiconducting activity. In addition, the compounds of the present teachings can possess certain processing advantages such as solution-processability and/or good stability in ambient conditions.

02-05-2009

20090050876

Transparent Nanowire Transistors and Methods for Fabricating Same - Disclosed are fully transparent nanowire transistors having high field-effect mobilities. The fully transparent nanowire transistors disclosed herein include one or more nanowires, a gate dielectric prepared from a transparent inorganic or organic material, and transparent source, drain, and gate contacts fabricated on a transparent substrate. The fully transparent nanowire transistors disclosed herein also can be mechanically flexible.

N-Type Semiconductors and Related Devices - Mono- and diimide perylene and naphthalene compounds, N- and/or core-substituted with electron-withdrawing groups, for use in the fabrication of various device structures.

08-12-2010

20100283047

PERYLENE-IMIDE SEMICONDUCTOR POLYMERS - Disclosed are new semiconductor materials prepared from perylene-imide copolymers. Such polymers can exhibit high n-type carrier mobility and/or good current modulation characteristics. In addition, the compounds of the present teachings can possess certain processing advantages such as solution-processability and/or good stability at ambient conditions.

11-11-2010

20100307594

Conjugated Polymers and Their Use in Optoelectronic Devices - Disclosed are certain polymeric compounds and their use as organic semiconductors in organic and hybrid optical, optoelectronic, and/or electronic devices such as photovoltaic cells, light emitting diodes, light emitting transistors, and field effect transistors. The disclosed compounds can provide improved device performance, for example, as measured by power conversion efficiency, fill factor, open circuit voltage, field-effect mobility, on/off current ratios, and/or air stability when used in photovoltaic cells or transistors. The disclosed compounds can have good solubility in common solvents enabling device fabrication via solution processes.

12-09-2010

20100319778

PERYLENE SEMICONDUCTORS AND METHODS OF PREPARATION AND USE THEREOF - The present teachings provide semiconducting compounds, materials prepared from such compounds, methods of preparing such compounds and semiconductor materials, as well as various compositions, composites, and devices that incorporate the compounds and semiconductor materials. Specifically, compounds of the present teachings can have higher electron-transport efficiency and higher solubility in common solvents compared to related representative compounds.

12-23-2010

20100326527

NAPHTALENE-IMIDE SEMICONDUCTOR POLYMERS - Disclosed are new semiconductor materials prepared from naphthalene-imide copolymers. Such polymers can exhibit desirable electronic properties and can possess processing advantages including solution-processability and/or good stability at ambient conditions.

n-Type thiophene semiconductors - The new fluorocarbon-functionalized and/or heterocycle-modified polythiophenes, in particular, α,ω-diperfluorohexylsexithiophene DFH-6T can be straightforwardly prepared in high yield and purity. Introduction of such modifications to a thiophene core affords enhanced thermal stability and volatility, and increased electron affinity versus the unmodified compositions of the prior art. Evaporated films behave as n-type semiconductors, and can be used to fabricate thin film transistors with FET mobilities ˜0.01 cm

05-19-2011

20110120558

SEMICONDUCTOR MATERIALS PREPARED FROM RYLENE-(PI-ACCEPTOR)COPOLYMERS - Disclosed are new semiconductor materials prepared from rylene-(π-acceptor) copolymers. Such copolymers can exhibit high n-type carrier mobility and/or good current modulation characteristics. In addition, the polymers of the present teachings can possess certain processing advantages such as solution-processability and/or good stability at ambient conditions.

05-26-2011

20110136333

SEMICONDUCTOR MATERIALS AND METHODS OF PREPARATION AND USE THEREOF - Disclosed are new semiconductor materials prepared from dimeric perylene compounds. Such compounds can exhibit high n-type carrier mobility and/or good current modulation characteristics. In addition, the compounds of the present teachings can possess certain processing advantages such as solution-processability and/or good stability at ambient conditions.

06-09-2011

20110155247

Organic Semiconductors and Devices Incorporating Same - Disclosed are thionated fused-ring (aromatic) imides and diimides that can exhibit desirable electronic properties and can possess processing advantages including solution-processability and/or good stability at ambient conditions.

06-30-2011

20110175089

Dielectric Materials and Methods of Preparation and Use Thereof - Disclosed are dendritic macromolecule-based dielectric compositions (e.g., formulations) and materials (e.g. films) and associated devices. The dendritic macromolecules have branched ends that are functionalized with an organic group that includes at least one 3-40 membered cyclic group.

PYRROLO[3,2-B]PYRROLE SEMICONDUCTING COMPOUNDS AND DEVICES INCORPORATING SAME - Disclosed are semiconducting compounds having one or more pyrrolo[3,2-b]pyrrole-2,5(1H,4H)-dione 3,6-diyl units. Such compounds can be monomeric, oligomeric, or polymeric, and can exhibit desirable electronic properties and possess processing advantages including solution-processability and/or good stability.

09-22-2011

20110232764

Conjugated Polymers and Devices Incorporating Same - Disclosed are conjugated polymers having desirable properties as semiconducting materials. Such polymers can exhibit desirable electronic properties and possess processing advantages including solution-processability and/or good stability.

09-29-2011

20110253970

Transparent nanowire transistors and methods for fabricating same - Disclosed are fully transparent nanowire transistors having high field-effect mobilities. The fully transparent nanowire transistors disclosed herein include one or more nanowires, a gate dielectric prepared from a transparent inorganic or organic material, and transparent source, drain, and gate contacts fabricated on a transparent substrate. The fully transparent nanowire transistors disclosed herein also can be mechanically flexible.

10-20-2011

20110266534

Photopolymers and Their Use in Organic Thin Film Transistors - Photopolymers are provided with composites and electronic devices including such photopolymers. Specifically, organic thin film transistors comprising a semiconductor layer, a polymeric layer in contact with the semiconductor layer, a gate electrode, a source electrode and a drain electrode are disclosed, wherein the semiconductor layer comprises an organic semiconductor compound, and the polymeric layer comprises a photocrosslinked product of a photopolymer.

11-03-2011

20110284849

Crosslinked Hybrid Gate Dielectric Materials and Electronic Devices Incorporating Same - Disclosed are thin film transistor devices incorporating a crosslinked inorganic-organic hybrid blend material as the gate dielectric. The blend material, obtained by thermally curing a mixture of an inorganic oxide precursor sol and an organosilane crosslinker at relatively low temperatures, can afford a high gate capacitance, a low leakage current density, and a smooth surface, and can be used to enable satisfactory transistor device performance at low operating voltages.

11-24-2011

20120074394

Polycyclic Aromatic Molecular Semiconductors and Related Compositions and Devices - Disclosed are new semiconductor materials prepared from polycyclic aromatic compounds. Such compounds can exhibit high carrier mobility and/or good current modulation characteristics. In addition, the compounds of the present teachings can possess certain processing advantages such as solution-processability and/or good stability at ambient conditions.

Conjugated Polymers and Their Use in Optoelectronic Devices - Disclosed are certain polymeric compounds and their use as organic semiconductors in organic and hybrid optical, optoelectronic, and/or electronic devices such as photovoltaic cells, light emitting diodes, light emitting transistors, field effect transistors, and photodetectors. The disclosed compounds can provide improved device performance, for example, as measured by power conversion efficiency, fill factor, open circuit voltage, field-effect mobility, on/off current ratios, and/or air stability when used in photovoltaic cells or transistors. The disclosed compounds can have good solubility in common solvents enabling device fabrication via solution processes.

07-26-2012

20120187385

Conjugated Polymers and Their Use in Optoelectronic Devices - Disclosed are certain oligomeric and polymeric compounds and their use as organic semiconductors in organic and hybrid optical, optoelectronic, and/or electronic devices such as photovoltaic cells, light emitting diodes, light emitting transistors, and field effect transistors. The disclosed compounds can provide high power conversion efficiency, fill factor, open circuit voltage, field-effect mobility, on/off current ratios, and/or air stability when used in photovoltaic cells or transistors. The disclosed compounds can have good solubility in common solvents enabling device fabrication via solution processes.

07-26-2012

20120223314

Solution-Processed High Mobility Inorganic Thin-Film Transistors - Thin film transistor devices comprising a dielectric component and an inorganic semiconductor component coupled thereto, wherein said coupled inorganic semiconductor component is obtainable by a process that comprises contact of said dielectric component and a fluid medium comprising said inorganic semiconductor component.

09-06-2012

20120227812

NAPHTHOBISTHIADIAZOLE POLYMERS FOR USE IN ORGANIC SEMICONDUCTOR DEVICES - Disclosed are new semiconducting polymers. The polymers disclosed herein can exhibit high carrier mobility and/or efficient light absorption/emission characteristics, and can possess certain processing advantages such as solution-processability and/or good stability at ambient conditions.

THIENOCORONENE-IMIDE SEMICONDUCTING COMPOUNDS AND POLYMERS - Disclosed are new semiconductor materials prepared from thienocoronene-imide-based small molecule and/or polymeric compounds. Such compounds can exhibit high carrier mobility and/or good current modulation characteristics. In addition, the compounds of the present teachings can possess certain processing advantages such as solution-processability and/or good stability at ambient conditions.

10-18-2012

20120264906

SEMICONDUCTING COMPOUNDS AND DEVICES INCORPORATING SAME - Disclosed are molecular and polymeric compounds having desirable properties as semiconducting materials. Such compounds can exhibit desirable electronic properties and possess processing advantages including solution-processability and/or good stability. Organic transistor and photovoltaic devices incorporating the present compounds as the active layer exhibit good device performance.

10-18-2012

20130035464

Semiconducting Compounds and Devices Incorporating Same - Disclosed are molecular and polymeric compounds having desirable properties as semiconducting materials. Such compounds can exhibit desirable electronic properties and possess processing advantages including solution-processability and/or good stability.

Conjugated Polymers and Their Use in Optoelectronic Devices - Disclosed are certain polymeric compounds and their use as organic semiconductors in organic and hybrid optical, optoelectronic, and/or electronic devices such as photovoltaic cells, light emitting diodes, light emitting transistors, and field effect transistors. The disclosed compounds can provide improved device performance, for example, as measured by power conversion efficiency, fill factor, open circuit voltage, field-effect mobility, on/off current ratios, and/or air stability when used in photovoltaic cells or transistors. The disclosed compounds can have good solubility in common solvents enabling device fabrication via solution processes.

Semiconducting Compounds and Related Compositions and Devices - Disclosed are new semiconductor materials prepared from thienocoronene-based compounds and related heteroaromatic analogs. Such compounds can exhibit high carrier mobility and/or good current modulation characteristics. In addition, the compounds of the present teachings can possess certain processing advantages such as solution-processability and/or good stability at ambient conditions.

Photocurable Polymeric Materials and Related Electronic Devices - Disclosed are photocurable polymers that can be used as active and/or passive organic materials in various electronic, optical, and optoelectronic devices. In some embodiments, the device can include a dielectric layer prepared from such photocurable polymers. In some embodiments, the device can include a passivation layer prepared from the polymers described herein.

Conjugated Polymers and Their Use in Optoelectronic Devices - Disclosed are certain polymeric compounds and their use as organic semiconductors in organic and hybrid optical, optoelectronic, and/or electronic devices such as photovoltaic cells, light emitting diodes, light emitting transistors, and field effect transistors. The disclosed compounds can provide improved device performance, for example, as measured by power conversion efficiency, fill factor, open circuit voltage, field-effect mobility, on/off current ratios, and/or air stability when used in photovoltaic cells or transistors. The disclosed compounds can have good solubility in common solvents enabling device fabrication via solution processes.

09-26-2013

20130247991

Conjugated Polymers and Their Use in Optoelectronic Devices - Disclosed are certain polymeric compounds and their use as organic semiconductors in organic and hybrid optical, optoelectronic, and/or electronic devices such as photovoltaic cells, light emitting diodes, light emitting transistors, and field effect transistors. The disclosed compounds can provide improved device performance, for example, as measured by power conversion efficiency, fill factor, open circuit voltage, field-effect mobility, on/off current ratios, and/or air stability when used in photovoltaic cells or transistors. The disclosed compounds can have good solubility in common solvents enabling device fabrication via solution processes.

09-26-2013

20130247992

Polymeric Blends and Related Optoelectronic Devices - Disclosed are all-polymer blends including an electron-acceptor polymer and an electron-donor polymer, capable of providing improved device performance, for example, as measured by power conversion efficiency, when used in photovoltaic cells.

09-26-2013

20130248831

Conjugated Polymers and Their Use in Optoelectronic Devices - Disclosed are certain polymeric compounds and their use as organic semiconductors in organic and hybrid optical, optoelectronic, and/or electronic devices such as photovoltaic cells, light emitting diodes, light emitting transistors, and field effect transistors. The disclosed compounds can provide improved device performance, for example, as measured by power conversion efficiency, fill factor, open circuit voltage, field-effect mobility, on/off current ratios, and/or air stability when used in photovoltaic cells or transistors. The disclosed compounds can have good solubility in common solvents enabling device fabrication via solution processes.

09-26-2013

20130270543

PERYLENE-BASED SEMICONDUCTORS AND METHODS OF PREPARATION AND USE THEREOF - Provided are semiconductors prepared from an enantiomerically enriched mixture of a nitrogen-functionalized rylene bis(dicarboximide) compound. Specifically, the enantiomerically enriched mixture has unexpected electron-transport efficiency compared to the racemate or either of the enantiomers in optically pure form.

10-17-2013

20140021465

Coating Materials for Oxide Thin Film Transistors - The present teachings provide a coating composition (a passivation formulation) for preparing a coating material in a metal oxide thin film transistor, where the coating material comprises a polymer blend including a polymer and a stabilizing agent. Incorporation of a stabilizing agent according to the present teachings in the coating material can lead to improved device performance of the metal oxide thin film transistor, in particular, reduced shift in the threshold voltage and long-term bias-stress stability.

01-23-2014

20140042369

Organic Semiconductor Formulations - Disclosed are formulations including an organic semiconducting compound in a liquid medium, where the liquid medium includes (1) a compound in liquid state that has electronic properties complementary to the electronic structure of the organic semiconducting compound and optionally (2) a solvent or solvent mixture for solubilizing the organic semiconducting compound. The present formulations can be used as inks in the fabrication of organic semiconductor devices.

02-13-2014

20140054566

Novel Structures for Light-Emitting Transistors - Disclosed are light-emitting transistors having novel structures that can lead to enhanced device brightness, specifically, via new arrangements of electrodes that can favor carrier recombination and exciton formation.

02-27-2014

20140054613

Light-Emitting Transistors with Improved Performance - Disclosed are light-emitting transistors having novel structures that can lead to enhanced device brightness, specifically, via incorporation of additional electrically insulating components that can favor charge localization and in turn, carrier recombination and exciton formation.

Polymeric Materials for Use in Metal-Oxide-Semiconductor Field-Effect Transistors - Disclosed are polysulfone-based materials that can be used as active and/or passive components in various electronic, optical, and optoelectronic devices, particularly, metal-oxide-semiconductor field-effect transistors. For example, various metal-oxide-semiconductor field-effect transistors can include a dielectric layer and/or a passivation layer prepared from such polysulfone-based materials and exhibit good device performance.

08-07-2014

20140288313

Semiconducting Compounds and Devices Incorporating Same - Disclosed are molecular and polymeric compounds having desirable properties as semiconducting materials. Such compounds can exhibit desirable electronic properties and possess processing advantages including solution-processability and/or good stability. Organic transistor and photovoltaic devices incorporating the present compounds as the active layer exhibit good device performance.

Photopatternable Materials and Related Electronic Devices and Methods - The present polymeric materials can be patterned with relatively low photo-exposure energies and are thermally stable, mechanically robust, resist water penetration, and show good adhesion to metal oxides, metals, metal alloys, as well as organic materials. In addition, these polymeric materials can be solution-processed (e.g., by spin-coating), and can exhibit good chemical (e.g., solvent and etchant) resistance in the cured form.

01-22-2015

20150056553

Photopatternable Materials and Related Electronic Devices and Methods - The present inorganic-organic hybrid materials can be patterned with relatively low photo-exposure energies and are thermally stable, mechanically robust, resist water penetration, and show good adhesion to metal oxides, metals, metal alloys, as well as organic materials. The present materials can be solution-processed (e.g., by spin-coating), and can exhibit good chemical (e.g., solvent and etchant) resistance in the cured form.

02-26-2015

20150087110

Low-Temperature Fabrication of Spray-Coated Metal Oxide Thin Film Transistors - The present teachings relate to a method of enabling metal oxide film growth via solution processes at low temperatures (≦350° C.) and in a time-efficient manner. The present thin films are useful as thin film semiconductors, thin film dielectrics, or thin film conductors, and can be implemented into semiconductor devices such as thin film transistors and thin film photovoltaic devices.